97 lines
2.3 KiB
Swift
97 lines
2.3 KiB
Swift
//
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// LocationsListViewModel.swift
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// Locations
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//
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// Created by Javier Cicchelli on 11/04/2023.
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// Copyright © 2023 Röck+Cöde. All rights reserved.
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//
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import Combine
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import Dependency
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import Foundation
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import Persistence
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class LocationsListViewModel: ObservableObject {
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// MARK: Dependencies
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@Dependency(\.persistence) private var persistence
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// MARK: Properties
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weak var coordinator: LocationsListCoordination?
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private lazy var locationProvider = LocationProvider(managedContext: persistence.viewContext)
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@Published private var viewStatus: LocationsListViewStatus = .initialised
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private let loadRemoteLocations = LoadRemoteLocationsUseCase()
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// MARK: Initialisers
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init(coordinator: LocationsListCoordination) {
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self.coordinator = coordinator
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}
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}
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// MARK: - LocationsListViewModeling
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extension LocationsListViewModel: LocationsListViewModeling {
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// MARK: Properties
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var locationsDidChangePublisher: PassthroughSubject<[Persistence.Change], Never> { locationProvider.didChangePublisher }
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var numberOfLocationSections: Int { locationProvider.numberOfSections }
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var viewStatusPublisher: Published<LocationsListViewStatus>.Publisher { $viewStatus }
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// MARK: Functions
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func loadLocations() {
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Task {
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do {
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viewStatus = .loading
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try await loadRemoteLocations()
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try locationProvider.fetch()
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viewStatus = .loaded
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} catch {
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viewStatus = .error
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}
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}
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}
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func location(at indexPath: IndexPath) -> Location {
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locationProvider.location(at: indexPath)
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}
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func numberOfLocations(in section: Int) -> Int {
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locationProvider.numberOfLocationsInSection(section)
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}
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func openLocationsAdd() {
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coordinator?.openLocationsAddScreen()
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}
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func openWikipedia(at indexPath: IndexPath) {
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guard let url = locationProvider.location(at: indexPath).wikipediaPlacesURL else {
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return
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}
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coordinator?.openWikipediaApp(with: url)
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}
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}
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// MARK: - Enumerations
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enum LocationsListViewStatus {
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case initialised
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case loading
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case loaded
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case error
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}
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